Our organic super clean bulk grains are currently available in 20 pound bags and by the pallet. 


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Bulk Organic Rye Berries  organic rye berries, mushroom spawn, nutrient-rich composition, sterilization, moisture retention properties, compatibility with mushroom species, robust mushroom growth, mycelium colonization, oyster mushrooms, organic practices.
Price: $29.99
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Availability: Out of Stock
Myco Labs Item #: RB10 -

    Rye berries are the number one used grain for mushroom spawn.  Used to start almost all mushroom species, this grain is by far the most popular. Our organic rye berries have been carefully selected for their nutrient-rich composition, ease of sterilization, moisture retention properties, and compatibility with a wide variety of mushroom species. In addition to their nutrient content, organic rye berries are incredibly easy to sterilize using a pressure cooker. This makes them a convenient...

    Bulk Organic White Sorghum (Milo) Grain   Organic milo, mushroom spawn, substrate, nutrient-rich grain, protein, minerals, oyster mushrooms, shiitake mushrooms, lions mane mushrooms, eco-friendly, sustainable farming, healthy, abundant fruiting bodies, easy to prepare.
    Price: $31.00
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    (2)
    Availability: In Stock
    Myco Labs Item #: WS10 -

      Bulk Organic White Sorghum is best known for its ease of use in the mushroom growing world. Milo is nutrient-rich grain that is widely available year round. With its high protein and mineral content, our organic sorghum/milo substrate provides the ideal growing environment for a variety of mushroom species.  Our substrate is easy to prepare and can be inoculated with mushroom spawn to produce healthy and abundant fruiting bodies. Plus, our organic milo mushroom spawn substrate is an...

      Bulk Organic Red Millet Grain (20 Pounds)
      Price: $29.99
      Availability: In Stock
      Myco Labs Item #: RM20 -

        Looking for a nutritious and reliable substrate for your mushroom spawn? Look no further than our organic red millet! Our organic red millet is carefully sourced from trusted farmers who use sustainable and organic farming practices. It is free from synthetic pesticides, herbicides, and fertilizers, making it a safe and healthy option for your mushroom growth. Red millet is a nutrient-rich grain that is high in protein, fiber, vitamins, and minerals, providing a nutritious substrate for your...

        Bulk Organic White Millet Grain    organic white millet, mushroom grain spawn, sustainable farming practices, high nutritional value, easy to digest, optimal texture, faster colonization times, greater yields, cost-effective, convenient, healthy alternative, pesticide-free, chemical-free, natural, superior quality, affordable, easy to prepare, mushroom cultivation, mycelium growth, healthy mycelium.
        Price: $30.99
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        (2)
        Availability: In Stock
        Midwest Grow Kit's Item #: WM10 -

          Looking for an organic, high-quality grain option for mushroom grain spawn production? Look no further than our organic white millet! Our organic white millet is carefully selected with the hull intact and grown using sustainable farming practices, ensuring that it is free from harmful chemicals and pesticides. This makes it an ideal choice for mushroom growers who are looking for a healthy, natural alternative to conventional grain options. One of the key benefits of using organic white...

          Our organic super clean bulk grains are currently available in 20 pound bags and by the pallet.